code: def test_insufficient_point(self):
      new_assessor = CurvefittingAssessor(20)
      ret = new_assessor.assess_trial(1, [1])
      self.assertEqual(ret, AssessResult.Good)
  
file_path: nni/test/ut/sdk/test_curvefitting_assessor.py
imports: import numpy
  import unittest
  from nni.algorithms.hpo.curvefitting_assessor import CurvefittingAssessor
  from nni.algorithms.hpo.curvefitting_assessor.model_factory import CurveModel
  from nni.assessor import AssessResult
label_desc: Use image node_id 2 for calling the TestCurveFittingAssessor obj's underlying member method code with example usage: obj.test_insufficient_point() without return types